• Hardness

  3.0.

• Occurrence

  Worldwide.

• Appearance

  Transparent and colorless. Iceland spar shows off calcite's birefractiveness very well. Iceland spar is used in the optics industry for it's transparency and ability to split images. It can be used to determine the distance to an object viewed through it, and was used in the bombsites of world war II bombers. Because of calcite's softness, it should be used in jewelry only where it won't be subject to abuse, and great care should be taken with any calcite specimen. It is generally faceted only for collectors.

• Enhancements

  Calcite is not enhanced.

  More information on gemstone enhancements.

• Iceland Spar

  • Item #CLC103
    	150.00 ct.
    	27.0x23.0mm Crystal
    	Colorless
    	Slightly Included
    	[N] Not enhanced.
    	~
    Iceland Spar Calcite	Display Only

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Last updated December 7, 2007
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